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Phase control of light amplification in steady and transient processes in an inverted-Y atomic system with spontaneously generated coherence
Tian S. C.; Tong C. Z.; Wan R. G.; Ning Y. Q.; Qin L.; Liu Y.; Wang L. J.; Zhang H.; Wang Z. B.; Gao J. Y.
2014
发表期刊中文 Physics B
ISSNISBN/1674-1056
卷号23期号:4页码:9
摘要We investigate the effects of spontaneously generated coherence (SGC) on both the steady and transient gain properties in a four-level inverted-Y-type atomic system in the presence of a weak probe, two strong coherent fields, and an incoherent pump. For the steady process, we find that the inversionless gain mainly origins from SGC. In particular, we can modulate the inversionless gain by changing the relative phase between the two fields. Moreover, the amplitude of the gain peak can be enhanced and the additional gain peak can appear by changing the detuning of the coupling field. As for the transient process, the transient gain properties can also be dramatically affected by the SGC. Compared to the case without SGC, the transient gain can be greatly enhanced with completely eliminated transient absorption by choosing the proper relative phase between the two fields. And the inverted-Y-type system with SGC can be simulated in both atomic and semiconductor quantum well systems avoiding the conditions of SGC.
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/44260
专题中科院长春光机所知识产出
推荐引用方式
GB/T 7714
Tian S. C.,Tong C. Z.,Wan R. G.,et al. Phase control of light amplification in steady and transient processes in an inverted-Y atomic system with spontaneously generated coherence[J]. 中文 Physics B,2014,23(4):9.
APA Tian S. C..,Tong C. Z..,Wan R. G..,Ning Y. Q..,Qin L..,...&Gao J. Y..(2014).Phase control of light amplification in steady and transient processes in an inverted-Y atomic system with spontaneously generated coherence.中文 Physics B,23(4),9.
MLA Tian S. C.,et al."Phase control of light amplification in steady and transient processes in an inverted-Y atomic system with spontaneously generated coherence".中文 Physics B 23.4(2014):9.
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